===================================================== BUG: KMSAN: uninit-value in __flush_smp_call_function_queue+0x362/0x18e0 kernel/smp.c:535 __flush_smp_call_function_queue+0x362/0x18e0 kernel/smp.c:535 generic_smp_call_function_single_interrupt+0x1c/0x30 kernel/smp.c:463 __sysvec_call_function_single+0x4b/0x3e0 arch/x86/kernel/smp.c:271 instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline] sysvec_call_function_single+0x7c/0x90 arch/x86/kernel/smp.c:266 asm_sysvec_call_function_single+0x1f/0x30 arch/x86/include/asm/idtentry.h:704 __preempt_count_dec_and_test arch/x86/include/asm/preempt.h:95 [inline] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:188 [inline] _raw_spin_unlock_irq+0x25/0x50 kernel/locking/spinlock.c:202 process_one_work kernel/workqueue.c:3244 [inline] process_scheduled_works+0xabf/0x1e30 kernel/workqueue.c:3358 worker_thread+0xede/0x1580 kernel/workqueue.c:3439 kthread+0x53f/0x600 kernel/kthread.c:467 ret_from_fork+0x20f/0x910 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Local variable tmp created at: number+0x83/0x2190 lib/vsprintf.c:470 vsnprintf+0xd0d/0x1b00 lib/vsprintf.c:2912 CPU: 1 UID: 0 PID: 53 Comm: kworker/u8:3 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Workqueue: bat_events batadv_mcast_mla_update =====================================================